Comtech-ef-data OM20 Bedienungsanleitung

Part Number MN-OM20 Revision 5 IMPORTANT NOTE: The information contained in this document supersedes all previously pu

Table of Contents Revision 5 OM20 Universal Outdoor Modem MN-OM20 viii H.1.1 Radyne AUPC ...

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–26 EFDATA: Enables EFDATA Local AUPC Function. In the event that t

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–27 NEARSIDE: When configured for NEARSIDE AUPC the maximum Transm

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–28 AUPC MODE {DISABLE,NEAR SIDE, EFDATA} Allows the user t

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–29 6.3.4.2 Receive Menu The Receive menu contains sub menus; Gen

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–30 Spectrum Mask: Intelsat For Data Rates < 1.544 Mbps F

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–31 Downlink Frequency (MHz): Displays the input frequency into th

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–32 The maximum symbol rate for Fast Acquisition is 1028Ksps. Limita

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–33 Data Rate (bps): {Refer to Technical Specs for Data Rates}

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–34 (BPSK Mode Only) ESC Overhead {VOICE X2, DATA 64KBPS}

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–35 ReedSolomon Control: {ENABLED, DISABLED} Allows the user

i PREFACE About this Manual This manual describes the installation and operation for the Radyne OM20. This is a technical document intended for eart

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–36 Allows the user to select the location of the LNB LO. The user

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–37 6.3.4.3 Interface Menu TX Setup Menu Figure 4-18. TX Setup

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–38 SCT Clock Source: {SCT, SCR} Allows the user to select SCT

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–39 ES Baud Rate: {150 – 1024} For IBS ES to ES {150 – 1920

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–40 RX Setup Menu Figure 6-19. RX Setup Menu Circuit ID: Prov

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–41 BUFFER CLOCK CONTROL Buffer Size (msec): {0 - 64 msecs} All

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–42 ES to ES Enhanced: Allows user to select the Interface Baud

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–43 General Menu Figure 6-20. General Menu External Freq

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–44 6.3.4.4 Monitor Menu General | Voltages Menu Figure 4-21. G

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–45 Corrected BER: The CBER display shows an estimated corrected

OM20 Universal Outdoor Modem Revision 5 Preface MN-OM20 ii Cautions and Warnings Trademarks Product names mentioned in this manual

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–46 Monitor Eth Link Status Menu Figure 6-22. ETH Link Status Me

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–47 IM PO RTA NT The status of the following ports may be one of th

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–48 Event Menu Figure 6-23. Event Menu Delete All: Cleans t

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–49 6.3.4.5 Alarms Menu Transmit Menu Figure 6-24. Transmit Menu

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–50 solid indication points toward a problem with the incoming clock

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–51 FORCE ALARM TEST: Clicking on this button will force alarms Rec

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–52 This alarm will flash on during certain modem parameter changes

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–53 Indicates if the Circular Redundancy Check is passing in PCM-30

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–54 Common Menu Figure 6-26. Common Menu COMMON ALARMS Terr FP

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–55 VOLTAGE ALARMS +1.5V RX Supply {Pass/Fail, Unmasked/Masked}

OM20 Universal Outdoor Modem Revision 5 Preface MN-OM20 iii Safety Compliance EN 60950 Applicable testing is routinely performed as a condition of m

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–56 6.3.4.6 System Menu Terminal & Remote Menu Figure 6-27.

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–57 HW/FW Configuration Menu Figure 6-28. HW/FW Configuration Men

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–58 Features Menu Figure 6-29. Features Menu The Web Browser men

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–59 6.3.4.7 Test Menu Test Pattern | Carrier Menu Figure 6-30.

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–60 Pattern Error Count: {NO SYNC, nnnn x 10n} Displays th

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–61 When available buffer space is almost gone, the OM20 will force a

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–62 Link Status: The following status is available under the Monito

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–63 6.5.1 Modem Terminal Mode Control The modem can be interactively

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–64

MN-OM20– Revision 5 7–1 Chapter 7. Maintenance and Troubleshooting This section discusses unit maintenance and troubleshooting for the OM20 Universa

OM20 Universal Outdoor Modem Revision 5 Preface MN-OM20 iv Warranty Policy Comtech EF Data products are warranted against defects in material and wo

OM20 Universal Outdoor Modem Maintenance and Troubleshooting MN-OM20– Revision 5 7–2 Symptom Possible Cause The Modem will not acquire the incomi

OM20 Universal Outdoor Modem Maintenance and Troubleshooting MN-OM20– Revision 5 7–3 7.2.1.2 Major Rx Alarms Alarm Possible Cause FPGA CFG Indic

OM20 Universal Outdoor Modem Maintenance and Troubleshooting MN-OM20– Revision 5 7–4 7.2.1.4 Minor Rx Alarms Alarm Possible Cause BUFF UNDERFLOW

OM20 Universal Outdoor Modem Maintenance and Troubleshooting MN-OM20– Revision 5 7–5 7.2.1.5 Drop and Insert Alarms Alarm Possible Cause Multifr

OM20 Universal Outdoor Modem Maintenance and Troubleshooting MN-OM20– Revision 5 7–6 A feature exists that allows the user to ‘Mask’ out certain al

MN-OM20– Revision 5 8–1 Chapter 8. Technical Specifications 8.1 Data Rates 8.2 Modulator Modulation BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–2 8.3 Demodulator Demodulation BPSK, QPSK, and OQPSK (8PSK, 16QAM Opt

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–3 8.7 Terrestrial Interfaces A variety of standard interfaces are avai

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–4 BPSK TPC 21/44 2400 4772727 QPSK NONE 9600 20000000 QPSK VIT 1

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–5 8.12.2 DVB 187 Mode Modulation Code Rate Min Data Rate Max Data R

OM20 Universal Outdoor Modem Revision 5 Preface MN-OM20 v The warranty excludes any responsibility by Comtech EF Data Corporation for incidental or

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–6 16QAM TRE 3/4 13271 20000000 16QAM TRE 7/8 15483 20000000 204

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–7 8.13 OM20 / BER Specifications 8.13.1 BER Performance (Viterbi) 1E-9

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–8 8.13.2 BER Performance (Sequential) 1E-91E-81E-71E-61E-51E-41E-31E-2

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–9 8.13.3 BER Performance (Viterbi with Reed-Solomon) 1E-91E-81E-71E-61E

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–10 8.13.4 BER Performance (8PSK Trellis) 1E-91E-81E-71E-61E-51E-41E-31

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–11 8.13.5 BER Performance (16QAM Viterbi) 1E-91E-81E-71E-61E-51E-41E-31

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–12 8.13.6 BER Performance (16QAM Viterbi with Reed-Solomon) 1E-91E-81E-

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–13 8.13.7 BER Performance ((O)QPSK Turbo) 1E-91E-81E-71E-61E-51E-41E-31

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–14 8.13.8 BER Performance (8PSK Turbo) 1E-91E-81E-71E-61E-51E-41E-31E-2

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–15 8.13.9 BER Performance (16QAM Turbo) 1E-91E-81E-71E-61E-51E-41E-31E-

OM20 Universal Outdoor Modem Revision 5 Preface MN-OM20 vi Customer Support Contact the Comtech EF Data Customer Support Department for: • Product

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–16 1/2 Rate 3/4 Rate 7/8 Rate 1/2 Rate 3/4 Rate 7/8 Rate 1E-3 4.2 dB

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–17 2/3 Rate 2/3 Rate w/RS 2/3 Rate 2/3 Rate w/RS 1E-3 6.2 dB 5.2 dB

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–18 Turbo 1/2 Turbo 3/4 Turbo 7/8 Turbo 1/2 Turbo 3/4 Turbo 7/8 1E-3 T

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–19 8.13.10 Input Level Refer to Figure 8-10 for the OM20 power thresho

OM20 Universal Outdoor Modem Technical Specifications MN-OM20– Revision 5 8–20 Notes:

MN-OM20– Revision 5 A–1 Appendix A. Product Options A.1 Hardware Options The following enhanced interface cards are available. All options must be

OM20 Universal Outdoor Modem Appendix A MN-OM20– Revision 5 A–2 A.2 Customized Options The OM20 may be customized for specific customer requirement

MN-OM20– Revision 5 B–1 Appendix B. Software Upgrade Procedure The outdoor modem software may be upgraded via the terminal or the web interface. B.1

OM20 Universal Outdoor Modem Appendix B MN-OM20– Revision 5 B–2 The value displayed on the top line of this menu is the 12-digit Unit ID. It is di

OM20 Universal Outdoor Modem Appendix B MN-OM20– Revision 5 B–3 B.4 Demonstration Procedure The procedure for enabling a 30-day demo of the OM20 op

MN-OM20– Revision 5 1–1 Chapter 1. Introduction This chapter provides an overview of the OM20 Outdoor Modem. The OM20 system can support a C-Band wi

OM20 Universal Outdoor Modem Appendix B MN-OM20– Revision 5 B–4 The value displayed on the top line of this menu is the 12-digit Unit ID. It is dis

OM20 Universal Outdoor Modem Appendix B MN-OM20– Revision 5 B–5 B.6 Web Browser Software Upgrade B.7 Monitor and Control All modem settings can be

OM20 Universal Outdoor Modem Appendix B MN-OM20– Revision 5 B–6 The Web Browser menu allows viewing of actively enabled features. Each feature displ

MN-OM20– Revision 5 C–1 Appendix C. Carrier Control C.1 States The OM20 transmitter will turn off the carrier output automatically when the modem d

OM20 Universal Outdoor Modem Appendix C MN-OM20– Revision 5 C–2 C.4 Carrier Auto Modulator output is turned off before reprogramming modulator func

MN-OM20– Revision 5 D–1 Appendix D. Quick Start Guide D.1 Introduction This section provides quick setup instructions to access the Web Browser thr

OM20 Universal Outdoor Modem Appendix D MN-OM20– Revision 5 D–2 1. Turn off power to the OM-20. 2. Install the Reset mating connector on J2 po

OM20 Universal Outdoor Modem Appendix D MN-OM20– Revision 5 D–3 A. The cables are secured. B. The Link Light is illuminated. C. The IP Address

OM20 Universal Outdoor Modem Appendix D MN-OM20– Revision 5 D–4 11. To navigate other parts of the site, the modem needs to know who the user is. Up

OM20 Universal Outdoor Modem Appendix D MN-OM20– Revision 5 D–5 1. Configure the modem first with the new subnet addresses. From the modem intro

OM20 Universal Outdoor Modem Introduction MN-OM20– Revision 5 1–2 The OM20 supplies DC voltage and 10 MHz reference to the BUC and LNB via the IF Ca

OM20 Universal Outdoor Modem Appendix D MN-OM20– Revision 5 D–6 have the same subnet mask. This field should be set after the changes are made to t

OM20 Universal Outdoor Modem Appendix D MN-OM20– Revision 5 D–7 3. Select USER1, USER2, or USER3 from the drop down Edit User menu. The correspondi

OM20 Universal Outdoor Modem Appendix D MN-OM20– Revision 5 D–8 D.5.1 Change Authentication Password The user can modify the Authorization Password

MN-OM20– Revision 5 E–1 Appendix E. Drop & Insert (D&I) E.1 Drop and Insert (D&I) (For Efficient Drop & Insert refer to Appendix F)

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–2 E.2 Drop Only When Drop is enabled and Insert is disabled, the OM20 performs a drop

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–3 RD ( IDO ) OM20 Modem Terrestrial Trunk Figure 3-11. Insert Only with Internal

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–4 E.4.3 PCM-31 The PCM-31 Mode of Operation supports an E1 Interface with no Multifra

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–5 Figure E-1. Multidestinational Communications E.6 Drop and Insert Mapping The f

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–6 Assigning Time Slots: Example : For a modem w/ Drop & Insert enabled at a d

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–7 It is not mandatory to assign timeslots in sequential order, although the lowest t

OM20 Universal Outdoor Modem Introduction MN-OM20– Revision 5 1–3 1.1.1 Features/Options Installed at Time of Order Features installed at the time

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–8 n = 1, data rate = 64000 n = 2, data rate = 128000 n = 3, data rate = 192000 n = 4,

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–9 E.7.3.1 Insert Terrestrial Frame Source The Insert Terrestrial Frame Source select

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–10 Under Interface: Under TX Setup: Set Tx Clock = SCTE Under Tx D&am

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–11 Under Demodulator: Under Demod Data: Set Data Rate = 1536000 Set Conv

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–12 E.8 D&I Maps and Map Editing The Drop and Insert multiplexer is programmed by

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–13 ROM maps are read-only and may not be modified (refer to Table E-2). Table E-2.

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–14 The following paragraphs give examples of typical configurations that could use th

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–15 from and or inserted into the first eight time slots of the T1 or E1 frame. The Mu

OM20 Universal Outdoor Modem Appendix E MN-OM20– Revision 5 E–16 Notes:

MN-OM20– Revision 5 F–1 Appendix F. Efficient Drop & Insert (D&I) F.1 Introduction The following paragraphs describe the menu structure an

OM20 Universal Outdoor Modem Introduction MN-OM20– Revision 5 1–4 Notes:

OM20 Universal Outdoor Modem Appendix F MN-OM20– Revision 5 F–2 FEATURES UPGRADE LIST D&I

OM20 Universal Outdoor Modem Appendix F MN-OM20– Revision 5 F–3 INBAND RATE 150 Available when enhanced async is enabled, this

OM20 Universal Outdoor Modem Appendix F MN-OM20– Revision 5 F–4 F.3.4 Calculating the Efficient D&I Rate with Enhanced Asynchronous Overhead T

OM20 Universal Outdoor Modem Appendix F MN-OM20– Revision 5 F–5 Example 1c: Change to Enhanced Async with In-Band Baud Rate of 1200 X = Truncati

OM20 Universal Outdoor Modem Appendix F MN-OM20– Revision 5 F–6 Notes:

MN-OM20– Revision 5 G–1 Appendix G. Strap Codes G.1 Strap Codes The Strap Code is a quick set key that sets many of the modem parameters. For quic

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–2 12 2048 16/15 1/2 VIT IBS IBS Dis Dis QPSK CNT 16 1544 96K 3/4 VIT ID

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–3 69 6312 1 3/4 VIT NONE V.35 (IESS) Dis Dis QPSK CNT 70 8448 1 3/4 VIT

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–4 46 1152 16/15 3/4 VIT IBS IBS Dis Dis QPSK CNT 51 1216 16/15 1/2 VIT

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–5 G.2 Sample Applications The following section provides brief application notes for

MN-OM20– Revision 5 2–1 Chapter 2. Installation This document provides unpacking and installation instructions, and a description of external connec

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–6 Case 1: IDR 8.448 Mbps, 3/4 Rate Viterbi Starting with the Data Rate = 512 Kbps

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–7 Case 2: IBS 1.544 Mbps, 3/4 Rate Viterbi Starting with the Data Rate – 512 Kbps

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–8 Case 3: Closed Network, 3/4 Rate Viterbi, IBS Overhead Starting with the Data Rate

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–9 Case 4: Loop Timing Example Method 1 - Under Interface Menu: Under Tx Se

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 G–10 Notes:

MN-OM20– Revision 5 H–1 Appendix H. AUPC Operations H.1 Automatic Uplink Power Control (AUPC Operation) The modem has an optional built-in provisio

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 H–2 drop in the remote Eb/No, it slowly begins to raise the output power, and will conti

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 H–3 There are safeguards built into the AUPC System. First, the modulator has two para

OM20 Universal Outdoor Modem Appendix G MN-OM20– Revision 5 H–4 Notes:

METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281 0.0109

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–2 CAUTION The OM20 contains a Lithium Battery. DANGER OF EXPLOSION exists if the b

2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 • 333 • 2200 PHONE 480 • 333 • 2161 FAX

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–3 2.3 Removal and Assembly The Standard OM20 is shipped in a single box that contai

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–4 Figure 2.2a. OM 20 Rear Interconnects (cont) 2.4 Mounting and Wiring Considera

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–5 2.4.1 OM20 Mounting Bracket Instructions Mount the OM20 to the desired location a

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–6 2.4.2 OM20 General Antenna Post Mount Diagram The OM20 and BUC can be mounted ve

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–7 2.4.3 OM20 General Antenna Post Mount Diagram The OM20 can be mounted on the ante

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–8 2.4.4 OM20 Antenna Feed Arm Mount Diagram The OM20 can be mounted horizontally o

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–9 2.4.5 OM20 with External TWTA Amplifier The OM20 can be used as a driver for an e

Copyright © 2009 Comtech EF Data. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.22

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–10 2.4.6 OM20 Additional Interface Diagrams Figure 2-9. OM20 EIA-530 Interface

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–11 Figure 2-11. OM20 ASI Interface L N B OMT AC PWR DATA / M & C INTERFAC

OM20 Universal Outdoor Modem Installation MN-OM20– Revision 5 2–12 Notes:

MN-OM20– Revision 5 3–1 Chapter 3. OM20 Initial Configuration 3.1 OM20 Initial Configuration Check The OM20 is shipped from the factory with preset

OM20 Universal Outdoor Modem OM20 Initial Configuration MN-OM20– Revision 5 3–2 Standard OM20 Factory Default Configuration Settings Modulator: D

OM20 Universal Outdoor Modem OM20 Initial Configuration MN-OM20– Revision 5 3–3 3.2 Initial Configuration and Setup Process The following descript

OM20 Universal Outdoor Modem OM20 Initial Configuration MN-OM20– Revision 5 3–4 IM PO RTA NT Resetting IP Address & Terminal to Default/Reset M

OM20 Universal Outdoor Modem OM20 Initial Configuration MN-OM20– Revision 5 3–5 3.3.2 RX Input Verification Test Connect a Spectrum Analyzer and B

OM20 Universal Outdoor Modem OM20 Initial Configuration MN-OM20– Revision 5 3–6 Notes:

MN-OM20– Revision 5 4–1 Chapter 4. OM20 Theory of Operation 4.1 OM20 Hardware The OM20 Outdoor Modem is based on the DMD20 Modem product platform t

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OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–2 4.1.1 OM20 L-Band Printed Circuit Card The L-Band Printed Circuit Ca

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–3 4.1.2 OM20 Baseband Processing Printed Circuit Card The advent of m

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–4 4.2 OM20 Functional Block Diagram Figure 4-3 represents the OM20 Fun

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–5 4.2.2 Tx Baseband Processing The Tx Data and Clock enters the Baseba

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–6 4.3 Monitor & Control (M&C) Subsystem The modems M&C sys

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–7 4.3.1 Terminal Port This port supports an asynchronous control prot

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–8 4.3.4 Modem Monitor Status The modems M&C system is connected to

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–9  TX Baseband Loopback - Tx Data port is looped back to the Rx Data

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–10 Figure 4-4. Loopback Functional Block Diagram

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–11 Figure 4-5. Loopback Functional Block Diagram Figure 4-6. Loopbac

iii Table of Contents TABLE OF CONTENTS ...

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–12 4.7 Clocking Options The modem supports a number of different clock

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–13 The following paragraphs define the types of clocking options availa

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–14  SCT (Internal Oscillator)  EXC Clock/EXT BNC (External Clock So

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–15 4.7.3 EXT REF: External Reference, Optional The External Clock conn

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–16 4.9 Reed-Solomon Codec Utilizing a Reed-Solomon (R-S) Outer Codec c

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–17 Figure 4-9 Reed-Solomon Decoder Functional Block Diagram Table 4-

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–18 4.11 OM20 Automatic Uplink Power Control (AUPC Operation) Refer to

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–19 1536 768 576 9600 1664 832 640 19200 1792 896 704 19200 192

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–20 Bit 2 Frame Alignment Part of the Frame Alignment word. Bit 3 Backw

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–21 The IBS Async mode MUST be selected for true Asynchronous channel

Table of Contents Revision 5 OM20 Universal Outdoor Modem MN-OM20 iv 4.5 INTERNAL CLOCK ...

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–22 4.15.1 To Disable the ESC Backward Alarms If the ESC ALARMS Port wil

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–23 Figure 4-10. 1 to 1 Control Ratio diagram The Control Ratio of the

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–24 NOTE: The Maximum In-Band rate is 115200. The Async interface Rat

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–25 Example 1: User Data Rate: 1,024,000 bps In-Band Rate: 19,200

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–26 i. ES BAUD RATE {150 - 115200} ii. This allows the user to select

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–27 4.17 EDMAC Satellite Framing/Deframing Mode The modem supports EDMA

OM20 Universal Outdoor Modem OM20 Theory of Operation MN-OM20– Revision 5 4–28 Notes:

MN-OM20– Revision 5 5–1 Chapter 5. Rear Panel Interfaces This section discusses the electrical interfaces available of the unit. 5.1 OM20 Externa

OM20 Universal Outdoor Modem Rear Panel Interfaces MN-OM20– Revision 5 5–2 Figure 5-1. OM20 Front panel ports Figure 5-1A. OM20 Rear panel p

OM20 Universal Outdoor Modem Rear Panel Interfaces MN-OM20– Revision 5 5–3 5.1.1 Power Input 5.1.1.1 AC Power Input (J1) AC Input is located on

Table of Contents Revision 5 OM20 Universal Outdoor Modem MN-OM20 v 5.1.11 LED Indicators ...

OM20 Universal Outdoor Modem Rear Panel Interfaces MN-OM20– Revision 5 5–4 configuration is available on the OM20 GUI. Refer to Table 5.3 for the

OM20 Universal Outdoor Modem Rear Panel Interfaces MN-OM20– Revision 5 5–5 5.1.3 EIA-530 Synchronous Data, ES-ES Asynchronous Overhead Data, and G

OM20 Universal Outdoor Modem Rear Panel Interfaces MN-OM20– Revision 5 5–6 23 Send Timing B (+) ST-B Output 12 24 No Connect --- --- 25 25

OM20 Universal Outdoor Modem Rear Panel Interfaces MN-OM20– Revision 5 5–7 Use of an extended temperature CAT-5 cable such as is recommended for t

OM20 Universal Outdoor Modem Rear Panel Interfaces MN-OM20– Revision 5 5–8 5.1.9 SD (J10) (Optional) Based on unit configuration, this connector i

MN-OM20– Revision 5 6–1 Chapter 6. Web Browser/Remote Protocol 6.1 Web Browser User Interface The Web Browser interface for OM20 can be accessed th

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–2 Figure 6-1. Web User Interface 6.2.1 Appearance This site is a

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–3 6.2.2 Navigation The navigation scheme consists of gel tabs that

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–4 6 Product Information Contact Information Access to technical tro

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–5 6.3 GUI Screen Menus There are four main menus displayed on the

Table of Contents Revision 5 OM20 Universal Outdoor Modem MN-OM20 vi CHAPTER 8. TECHNICAL SPECIFICATIONS ...

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–6 6.3.1 Introduction Menu This menu will first appear when starting

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–7 6.3.1.1 Login Screen Upon initially accessing the Password Setup

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–8 6.3.2 Password Setup The Access Menu allows for multiple operator

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–9 Preferences Menu Figure 6-5. Modem Preferences menu User

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–10 6.3.3 IP and Application Administration The Modem Addressing men

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–11 IP TEST: The IP Test boot mode has a similar behavior to the

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–12 6.3.3.2 Configuring Applications Figure 6-7. Configuring Applic

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–13 SNMP SNMP VERSION: V1 & V2 TRAP VERSION: V1 AUT

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–14 TERMINAL AND REMOTE PORT Type VT100 baud rate 19200 interface r

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–15 Configuring the PC Figure 6-8. Configuring the PC

Table of Contents Revision 5 OM20 Universal Outdoor Modem MN-OM20 vii C.5 CARRIER VSAT ...

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–16 6.3.4 Monitor and Control Menu Under this menu, all modem functi

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–17 Additionally, data rates not covered by the given network speci

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–18 Data Rate Inner Code Rate Satellite Framing Scrambler Drop and In

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–19 Data Menu Figure 6-10. Data Menu Data Rate (bps): {Refer to

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–20 Differential Coding: {ENABLED, DISABLE} Allows the user

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–21 Async Inband Rate: {75, 150, 300, 600. 1200, 2400, 4800, 9600,

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–22 ODU BUC Menu Figure 6-12. OBU-BUC menu LO Frequency (MHz):

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–23 frequency. If the BUC LO is higher in frequency then the user mu

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–24 CODAN: Enables the FSK Communication link for CODAN BUCs only. Th

OM20 Universal Outdoor Modem Web Browser/Remote Protocol MN-OM20– Revision 5 6–25 QUERY FOR ADDRESS The modem will initiate a FSK query requesting